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  • American Medical Association (AMA)  (7)
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Verlag/Herausgeber
  • American Medical Association (AMA)  (7)
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  • 1
    In: JAMA Surgery, American Medical Association (AMA), Vol. 157, No. 10 ( 2022-10-01), p. 879-
    Kurzfassung: The long-term safety of laparoscopic distal gastrectomy for locally advanced gastric cancer (AGC) remains uncertain given the lack of 5-year follow-up results. Objective To compare the 5-year follow-up results in patients with clinically AGC enrolled in the Korean Laparoendoscopic Gastrointestinal Surgery Study (KLASS)-02 randomized clinical trial who underwent laparoscopic or open distal gastrectomy. Design, Setting, and Participants The KLASS-02, a multicenter randomized clinical trial, showed that laparoscopic surgery was noninferior to open surgery for patients with locally AGC. The present study assessed the 5-year follow-up results, including 5-year overall survival (OS) and relapse-free survival (RFS) rates and long-term complications, in patients enrolled in KLASS-02. From November 21, 2011, to April 29, 2015, patients aged 20 to 80 years diagnosed preoperatively with locally AGC were enrolled. Final follow-up was on June 15, 2021. Data were analyzed June 24 to September 9, 2021. Interventions Patients were treated with R0 resection either by laparoscopic gastrectomy or open gastrectomy as the full analysis set of the KLASS-02 trial. Main Outcomes and Measures Five-year OS and RFS rates, recurrence patterns, and long-term surgical complications were evaluated. Results This study enrolled a total of 1050 patients. A total of 974 patients were treated with R0 resection; 492 (50.5%) in the laparoscopic gastrectomy group (mean [SD] age, 59.8 [11.0] years; 351 men [71.3%]) and 482 (49.5%) in the open gastrectomy group (mean [SD] age, 59.4 [11.5] years; 335 men [69.5%] ). In patients who underwent laparoscopic and open distal gastrectomy, the 5-year OS (88.9% vs 88.7%) and RFS (79.5% vs 81.1%) rates did not differ significantly. The most common types of recurrence were peritoneal carcinomatosis (73 of 173 [42.1%]), hematogenous metastases (36 of 173 [20.8%] ), and locoregional recurrence (23 of 173 [13.2%]), with no between-group differences in types of recurrence at each cancer stage. The correlation between 3-year RFS and 5-year OS at the individual level was highest in patients with stage III gastric cancer (ρ = 0.720). The late complication rate was significantly lower in the laparoscopic than in the open surgery group (32 of 492 [6.5%] vs 53 of 482 [11.0%]). The most common type of complication in both groups was intestinal obstruction (13 of 492 [2.6%] vs 24 of 482 [5.0%]). Conclusions and Relevance The 5-year outcomes of the KLASS-02 trial support the 3-year results, which is the noninferiority of laparoscopic surgery compared with open gastrectomy for locally AGC. The laparoscopic approach can be recommended in patients with locally AGC to achieve the benefit of low incidence of late complications. Trial Registration ClinicalTrials.gov Identifier: NCT01456598
    Materialart: Online-Ressource
    ISSN: 2168-6254
    Sprache: Englisch
    Verlag: American Medical Association (AMA)
    Publikationsdatum: 2022
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    In: JAMA, American Medical Association (AMA), Vol. 329, No. 13 ( 2023-04-04), p. 1078-
    Kurzfassung: In patients with coronary artery disease, some guidelines recommend initial statin treatment with high-intensity statins to achieve at least a 50% reduction in low-density lipoprotein cholesterol (LDL-C). An alternative approach is to begin with moderate-intensity statins and titrate to a specific LDL-C goal. These alternatives have not been compared head-to-head in a clinical trial involving patients with known coronary artery disease. Objective To assess whether a treat-to-target strategy is noninferior to a strategy of high-intensity statins for long-term clinical outcomes in patients with coronary artery disease. Design, Setting, and Participants A randomized, multicenter, noninferiority trial in patients with a coronary disease diagnosis treated at 12 centers in South Korea (enrollment: September 9, 2016, through November 27, 2019; final follow-up: October 26, 2022). Interventions Patients were randomly assigned to receive either the LDL-C target strategy, with an LDL-C level between 50 and 70 mg/dL as the target, or high-intensity statin treatment, which consisted of rosuvastatin, 20 mg, or atorvastatin, 40 mg. Main Outcomes and Measures Primary end point was a 3-year composite of death, myocardial infarction, stroke, or coronary revascularization with a noninferiority margin of 3.0 percentage points. Results Among 4400 patients, 4341 patients (98.7%) completed the trial (mean [SD] age, 65.1 [9.9] years; 1228 females [27.9%]). In the treat-to-target group (n = 2200), which had 6449 person-years of follow-up, moderate-intensity and high-intensity dosing were used in 43% and 54%, respectively. The mean (SD) LDL-C level for 3 years was 69.1 (17.8) mg/dL in the treat-to-target group and 68.4 (20.1) mg/dL in the high-intensity statin group (n = 2200) ( P  = .21, compared with the treat-to-target group). The primary end point occurred in 177 patients (8.1%) in the treat-to-target group and 190 patients (8.7%) in the high-intensity statin group (absolute difference, –0.6 percentage points [upper boundary of the 1-sided 97.5% CI, 1.1 percentage points]; P   & amp;lt; .001 for noninferiority). Conclusions and Relevance Among patients with coronary artery disease, a treat-to-target LDL-C strategy of 50 to 70 mg/dL as the goal was noninferior to a high-intensity statin therapy for the 3-year composite of death, myocardial infarction, stroke, or coronary revascularization. These findings provide additional evidence supporting the suitability of a treat-to-target strategy that may allow a tailored approach with consideration for individual variability in drug response to statin therapy. Trial Registration ClinicalTrials.gov Identifier: NCT02579499
    Materialart: Online-Ressource
    ISSN: 0098-7484
    RVK:
    Sprache: Englisch
    Verlag: American Medical Association (AMA)
    Publikationsdatum: 2023
    ZDB Id: 2958-0
    ZDB Id: 2018410-4
    SSG: 5,21
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    In: JAMA, American Medical Association (AMA), Vol. 317, No. 20 ( 2017-05-23), p. 2097-
    Materialart: Online-Ressource
    ISSN: 0098-7484
    RVK:
    Sprache: Englisch
    Verlag: American Medical Association (AMA)
    Publikationsdatum: 2017
    ZDB Id: 2958-0
    ZDB Id: 2018410-4
    SSG: 5,21
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    In: JAMA Network Open, American Medical Association (AMA), Vol. 5, No. 8 ( 2022-08-11), p. e2226260-
    Kurzfassung: The association between social support and dementia risk has been debated. Most previous prospective studies have not differentiated the subtypes of social support. Objective To examine whether the association between social support and risk of dementia differs by subtype of social support and by sex. Design, Setting, and Participants This nationwide prospective cohort study included randomly sampled South Korean adults 60 years or older. The study was launched November 1, 2010, with follow-up every 2 years until November 30, 2020. The 5852 participants who completed the assessment for social support and were not diagnosed as having dementia, severe psychiatric disorders including major depressive disorder, or major neurological disorders at the baseline assessment were included in the analysis. Exposures Geriatric psychiatrists administered the structured diagnostic interviews and physical examinations to every participant based on the Korean version of the Consortium to Establish a Registry for Alzheimer Disease (CERAD-K) Assessment Packet Clinical Assessment Battery. Main Outcomes and Measures Baseline levels of emotional and tangible support using the Medical Outcomes Survey Social Support Survey. Results Among the 5852 participants (mean [SD] age, 69.8 [6.6] years; 3315 women [56.6%]; mean [SD] follow-up duration, 5.9 [2.4] years), 237 (4.0%) had incident all-cause dementia and 160 (2.7%) had incident Alzheimer disease (AD) subtype of dementia. Compared with women who reported having emotional support, those with low emotional support had almost a 2-fold higher incidence of all-cause dementia (18.4 [95% CI, 13.6-23.2] vs 10.7 [95% CI, 9.0-12.5] per 1000 person-years) and AD (14.4 [95% CI, 10.2-18.6] vs 7.8 [95% CI, 6.3-9.3] per 1000 person-years). Adjusted Cox proportional hazard analysis revealed that low emotional support was associated with increased risk of all-cause dementia (hazard ratio, 1.61 [95% CI, 1.10-2.36] ; P  = .02) and AD (hazard ratio, 1.66 [95% CI, 1.07-2.57]; P  = .02) only in women. Low tangible support was not associated with a risk of all-cause dementia or AD regardless of sex. Conclusions and Relevance The findings of this cohort study suggest that older women with low emotional support constitute a population at risk for dementia. The level of emotional support should be included in risk assessments of dementia.
    Materialart: Online-Ressource
    ISSN: 2574-3805
    Sprache: Englisch
    Verlag: American Medical Association (AMA)
    Publikationsdatum: 2022
    ZDB Id: 2931249-8
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    In: JAMA Surgery, American Medical Association (AMA), Vol. 155, No. 12 ( 2020-12-01), p. 1132-
    Materialart: Online-Ressource
    ISSN: 2168-6254
    Sprache: Englisch
    Verlag: American Medical Association (AMA)
    Publikationsdatum: 2020
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    In: JAMA Surgery, American Medical Association (AMA), Vol. 157, No. 5 ( 2022-05-01), p. 374-
    Materialart: Online-Ressource
    ISSN: 2168-6254
    Sprache: Englisch
    Verlag: American Medical Association (AMA)
    Publikationsdatum: 2022
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Online-Ressource
    Online-Ressource
    American Medical Association (AMA) ; 2023
    In:  JAMA Ophthalmology Vol. 141, No. 3 ( 2023-03-01), p. 234-
    In: JAMA Ophthalmology, American Medical Association (AMA), Vol. 141, No. 3 ( 2023-03-01), p. 234-
    Kurzfassung: Until now, other than complex neurologic tests, there have been no readily accessible and reliable indicators of neurologic dysfunction among patients with Parkinson disease (PD). This study was conducted to determine the role of fundus photography as a noninvasive and readily available tool for assessing neurologic dysfunction among patients with PD using deep learning methods. Objective To develop an algorithm that can predict Hoehn and Yahr (H-Y) scale and Unified Parkinson’s Disease Rating Scale part III (UPDRS-III) score using fundus photography among patients with PD. Design, Settings, and Participants This was a prospective decision analytical model conducted at a single tertiary-care hospital. The fundus photographs of participants with PD and participants with non-PD atypical motor abnormalities who visited the neurology department of Kangbuk Samsung Hospital from October 7, 2020, to April 30, 2021, were analyzed in this study. A convolutional neural network was developed to predict both the H-Y scale and UPDRS-III score based on fundus photography findings and participants’ demographic characteristics. Main Outcomes and Measures The area under the receiver operating characteristic curve (AUROC) was calculated for sensitivity and specificity analyses for both the internal and external validation data sets. Results A total of 615 participants were included in the study: 266 had PD (43.3%; mean [SD] age, 70.8 [8.3] years; 134 male individuals [50.4%]), and 349 had non-PD atypical motor abnormalities (56.7%; mean [SD] age, 70.7 [7.9] years; 236 female individuals [67.6%] ). For the internal validation data set, the sensitivity was 83.23% (95% CI, 82.07%-84.38%) and 82.61% (95% CI, 81.38%-83.83%) for the H-Y scale and UPDRS-III score, respectively. The specificity was 66.81% (95% CI, 64.97%-68.65%) and 65.75% (95% CI, 62.56%-68.94%) for the H-Y scale and UPDRS-III score, respectively. For the external validation data set, the sensitivity and specificity were 70.73% (95% CI, 66.30%-75.16%) and 66.66% (95% CI, 50.76%-82.25%), respectively. Lastly, the calculated AUROC and accuracy were 0.67 (95% CI, 0.55-0.79) and 70.45% (95% CI, 66.85%-74.04%), respectively. Conclusions and Relevance This decision analytical model reveals amalgamative insights into the neurologic dysfunction among PD patients by providing information on how to apply a deep learning method to evaluate the association between the retina and brain. Study data may help clarify recent research findings regarding dopamine pathologic cascades between the retina and brain among patients with PD; however, further research is needed to expand the clinical implication of this algorithm.
    Materialart: Online-Ressource
    ISSN: 2168-6165
    Sprache: Englisch
    Verlag: American Medical Association (AMA)
    Publikationsdatum: 2023
    Standort Signatur Einschränkungen Verfügbarkeit
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